The invention discloses a purely natural
essential oil composition for keeping fresh and a preparation method and a using method thereof.
Essential oil which is extracted from the natural substances of clove, cinnamon, caraway, garlic, seed of
cuminum cyminum L. and fennel seed is prepared into an
active packaging material with the functions of bacteriostasis and anti-oxidation according to a certain proportion, wherein the
active packaging material has the characteristics of wide application range, naturalness, efficiency, no
toxicity, simplicity and practicability, and can be widely used for packaging of foods such as fruits, vegetables, meats and the like; and the extraction method is an
ultrasound-assisted extraction method. The
essential oil composition can be used in various forms, namely the
essential oil composition can be coated on the foods, can be used for soaking the foods, can be in the form of
preservative bags, and the like. When packaging the foods, the essential oil composition can inhibit growth of microorganisms and
resist oxidation at the same time, so that the
shelf life of the fruits, the vegetables and the meats can be prolonged by 2 to 8 times, and the essential oil composition meet
consumer psychology and has greater actual application value.